<template>
  <div>

    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input @clear="getUserList" clearable v-model="queryInfo.query" placeholder="请输入内容">
            <el-button @click="getUserList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="6">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户表格区域 -->

      <el-table :data="userList" stripe border>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column prop="username" label="用户名"></el-table-column>
        <el-table-column width="200" prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch @change="userStartChanged(scope.row)" v-model="scope.row.mg_state"
              active-color="#2A97FF" inactive-color="#ccc">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" @click="showEditDialog(scope.row.id)" size="mini"
              icon="el-icon-edit">
            </el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" @click="removerById(scope.row.id)" size="mini"
              icon="el-icon-delete"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip class="item" :enterable="false" effect="dark" content="分配角色"
              placement="top">
              <el-button type="warning" @click="setRole(scope.row)" size="mini"
                icon="el-icon-setting">
              </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[2, 4, 5, 10]"
        :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog title="添加角色" :visible.sync="addDialogVisible" width="70%">

      <!-- 内容主体区域1 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="名字" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog @close="editDialogClosed" title="修改用户资料" :visible.sync="editDialogVisible"
      width="50%">

      <el-form :model="editFrom" :rules="editFromRules" ref="editFromRef" label-width="100px">
        <el-form-item label="用户名">
          <el-input v-model="editFrom.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editFrom.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->

    <el-dialog @close="setRoleDiaologClose" title="分配角色" :visible.sync="setRoleDiaologVisible"
      width="50%">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <div>
          分配新角色：
          <el-select v-model="selectRolesId" placeholder="请选择">
            <el-option v-for="item in RolesList" :key="item.id" :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </div>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDiaologVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    // 自定义 验证规则
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb();
      }
      cb(new Error('请输入正确的邮箱格式'))
    }

    // 验证手机好的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        // 正确的手机格式
        return cb();
      }
      cb(new Error('请输入正确的手机号格式'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      // 表单验证规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          // { min: 11, max: 11, message: '请输入正确的 11 位手机号码', trigger: 'blur' }
          { validator: checkMobile, trigger: 'blur' }

        ]
      },
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 控制修改用户信息的对话框的显示与隐藏
      editDialogVisible: false,
      editFrom: {},
      // 修改用户信息的验证规则
      editFromRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          // { min: 11, max: 11, message: '请输入正确的 11 位手机号码', trigger: 'blur' }
          { validator: checkMobile, trigger: 'blur' }

        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDiaologVisible: false,
      // 需要分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      RolesList: [],
      // 已经选中的角色Id值
      selectRolesId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！！！')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听 pagesize 的改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();

    },
    // 监听 页码值 发生改变的事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList()
    },
    // 监听 switch 开关状态的改变
    async userStartChanged (userinfo) {

      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        this.userifo.mg_state = !this.userinfo.mg_state;
        return this.$message.error('更改用户状态失败')
      }
      this.$message.success('更改用户状态成功')
    },
    // 监听用户对话框的关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields();
    },
    // 监听修改用户信息对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFromRef.resetFields();
    },
    // 点击表单里的确定按钮 添加用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post(`users`, this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.addDialogVisible = false;
        this.getUserList();
      })

    },
    // 展示编辑用户对话框
    async showEditDialog (id) {
      const { data: res } = await this.$http.get(`users/` + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editFrom = res.data


      this.editDialogVisible = true
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFromRef.validate(async valid => {
        if (!valid) return;
        // 发起修改用户信息的请求
        const { data: res } = await this.$http.put('users/' + this.editFrom.id,
          { email: this.editFrom.email, mobile: this.editFrom.mobile })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败')
        }
        // 关闭对话框
        this.editDialogVisible = false;
        // 刷新数据列表
        this.getUserList();
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    async removerById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 确认删除 confirmResult 返回confirm  取消删除返回 cancel
      if (confirmResult === 'cancel') {
        return this.$message.info('已取消删除操作')
      }

      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.getUserList();

      this.$message.success('已成功删除该用户')


    },
    // 展示分配角色对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 获取角色列表并保存
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色列表失败');

      this.RolesList = res.data



      this.setRoleDiaologVisible = true


    },
    // 点击分配角色对话框下的确定按钮分配角色
    async saveRoleInfo () {
      if (!this.selectRolesId) {
        return this.$message.error('请选择用户角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRolesId })
      if (res.meta.status !== 200) {


        return this.$message.error('更新用户角色信息失败')
      }
      this.$message.success('更新用户角色信息成功')
      this.getUserList();
      this.setRoleDiaologVisible = false
    },
    // 监听 分配角色对话框的关闭事件
    setRoleDiaologClose () {
      this.selectRolesId = '';
      this.userInfo = {}
    },

  }
}
</script>
<style lang="" scoped></style>



